11-7 - 3. What is the emf of a tin concentration cell when...

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CHEMISTRY 106 RECITATION QUIZ (3/18) Name __________________________________________ Section ________ 1. The emf generated by the cell Sn 2+ (aq) + Pb (s) → Sn (s) + Pb 2+ is 0.25 V when [Sn 2+ ] = 1.5 M. What is the concentration of Pb 2+ ? 2. Electrolysis of MgCl 2 produces magnesium metal. What mass of Mg is formed when a current of 5.80 amps is passed through molten MgCl 2 for 1.80 days?
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Unformatted text preview: 3. What is the emf of a tin concentration cell when [Sn 2+ ] = 0.5 M and 1.1 M? 4. Write out the balanced reactions for: a. 212 Po to 208 Pb b. 180 Au to 180 Pt c. 56 Co to 56 Ni d. 226 Rn by α particle emission twice, followed by positron emission, then electron capture twice. e. Predict the type of decay for each atom: i. 40 K ii. 238 U...
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This note was uploaded on 04/06/2011 for the course CHEM 106 taught by Professor Herron,s during the Fall '08 term at BYU.

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